The Black Death also inspired European architecture to move in two different directions; there was a revival of Greco-Roman styles that, in stone and paint, expressed Petrarch's love of antiquity and a further elaboration of the Gothic style.[28] Late medieval churches had impressive structures centered on verticality, where one's eye is drawn up towards the high ceiling. The basic Gothic style was revamped with elaborate decoration in the late medieval period. Sculptors in Italian city-states emulated the work of their Roman forefathers while sculptors in northern Europe, no doubt inspired by the devastation they had witnessed, gave way to a heightened expression of emotion and an emphasis on individual differences